<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>基本的表格练习02</title>
</head>
<body>
    <table border="1px">
        <tr>
            <td></td>
            <td>X</td>
            <td>Y</td>
            <td>Z</td>
        </tr>
        <tr>
            <td>A</td>
            <td>100</td>
            <td>200</td>
            <td>300</td>
        </tr>
        <tr>
            <td>B</td>
            <td>400</td>
            <td>500</td>
            <td>600</td>
        </tr>
        <tr>
            <td>C</td>
            <td>700</td>
            <td>800</td>
            <td>900</td>
        </tr>
    </table>
</body>
</html>